Nepean Bay Weather Forecast

    • 7
    • 17

    Mostly clear

    • 6
    • 17

    Shower or two

    • 7
    • 16

    Partly cloudy

    • 5
    • 16

    Partly cloudy

    • 5
    • 15

    Partly cloudy

    • 7
    • 16

    Possible shower

    • 9
    • 17

    Showers increasing

Today 23 Jun Kangaroo Island

Partly cloudy. Medium chance of showers in the west, slight chance elsewhere. Winds northwesterly 15 to 20 km/h becoming light in the late afternoon. Daytime maximum temperatures around 16.

Investigator Strait Coastal Waters

Wind
North to northwesterly about 10 knots.
Seas
Below 1 metre.
1st Swell
West to southwesterly around 1 metre.
Weather
Mostly clear.
Weather Situation
A weak trough skims the southeastern waters later today and into Wednesday morning, as a high pressure system moves across waters to the south on Wednesday. The high is forecast to be centred over Tasmania on Thursday, as it continues to extend a ridge over SA on Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Nepean Bay Temperature Statistics View More

June Temperature

Kingscote Airport (7km)

  • Lowest 14 June, 2026

    2.4 °C

  • Average June

    12.3 °C

  • Highest 12 June, 2026

    20.7 °C

Climate (2021–2026)

Kingscote Airport (7km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    14.8 °C

  • Average High 2021–2026

    21.1 °C
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